package jdbc;


import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.Scanner;

/**
 * 根据用户输入的用户名，删除该用户信息
 * 使用预编译SQL语句完成
 */
public class JDBCDemo12 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.println("请输入用户名:");
        String username = scanner.nextLine();

        try ( Connection  connection =DBUtil.getConnection();){
           String sql = "DELETE FEOM userinfo WHERE username = ?";
            PreparedStatement ps = connection.prepareStatement(sql);
            ps.setString(1,username);
            int num = ps.executeUpdate();
            System.out.println(num>0?"删除成功":"删除失败");
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}
